CN204878078U - Novel mounting structure of centrifugal fan impeller - Google Patents
Novel mounting structure of centrifugal fan impeller Download PDFInfo
- Publication number
- CN204878078U CN204878078U CN201520308777.4U CN201520308777U CN204878078U CN 204878078 U CN204878078 U CN 204878078U CN 201520308777 U CN201520308777 U CN 201520308777U CN 204878078 U CN204878078 U CN 204878078U
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- China
- Prior art keywords
- taper sleeve
- main shaft
- bolt
- transmission main
- sleeve
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Abstract
The utility model belongs to the fan wheel assembly field of making, concretely relates to novel mounting structure of centrifugal fan impeller. A novel mounting structure of centrifugal fan impeller, includes fan wheel, transmission main shaft, still includes taper sleeve formula hub, on fan wheel was gone into to taper sleeve formula hub one end card, another pot head was on the transmission main shaft, the taper sleeve set up in in the taper sleeve formula hub, and overlap on the transmission main shaft, be equipped with the tight bolt that expands on the taper sleeve. Prior art compares, the utility model discloses utilize to expand tight bolt with the taper sleeve taper sleeve formula hub of packing into of counterpointing, make the taper sleeve tight taper sleeve formula hub that expands through turning round the tight tight bolt that expands in the tight main shaft of package to reach the mesh of transmission moment of torsion, fix a position the axle sleeve through the equipment, load onto the anticreep apron at the axle head, prevent impeller unexpected slippage when the operation, during the dismantlement, demolising anticreep apron and location axle sleeve, withdrawing from the tight bolt that expands, twist the bolt to go into to dismantle the bolt hole, tighten the bolts is ejecting with the taper sleeve, makes the separation of two conical surfaces, can easily demolish the impeller.
Description
Technical field
The utility model belongs to draught fan impeller assembly and manufactures field, is specifically related to a kind of centrifugal blower fan blade wheel novel mounting structure.
Background technique
Traditional draught fan impeller and the mounting type of transmission shaft are that key is connected, and Spielpassung or excessively ferry coordinate.The wheel hub key of fixing impeller hub disk is connected with fan shaft.Axle and impeller link together, generally fix with flat key or grooved key, bearing is generally contained in fan impeller side, also have and are contained in impeller both sides.During assembling, the mode of machinery or Manual pressurizing is adopted to insert in connected piece.Adopt this kind of Placement, on the one hand, the requirement of fit tolerance is higher, as long as a certain parts standard not up to standard, will be loosening because connecting, and affect the use of blower fan, even can not use, or assemble difficulty because coordinating tension; On the other hand, when blower fan uses, its impeller has the situations such as distortion, wearing and tearing, often dismounting reparation is needed after destroying its balance, but affect by high speed torsion, thermal distortion, corrosion etc., original very tight cooperation is become more be difficult to be separated, even if pull down by force, also must must repair axle and hole at every turn.When dismantling, just declare that whole Fans is scrapped, applying unit cannot be safeguarded.
Model utility content
For above-mentioned prior art, the purpose of this utility model is to provide a kind of taper sleeve type linkage structure, easy to connect, can dismantle fast.For realizing this object, the utility model adopts following technological scheme:
A kind of centrifugal blower fan blade wheel novel mounting structure, comprise draught fan impeller, transmission main shaft, also comprise taper sleeve type wheel hub, described taper sleeve type wheel hub one end snaps on draught fan impeller, and the other end is enclosed within transmission main shaft; Tapered sleeve is arranged in described taper sleeve type wheel hub, and is enclosed within transmission main shaft, and described tapered sleeve is provided with cinch bolt.Connecting described transmission main shaft and draught fan impeller by taper sleeve type wheel hub, by cinch bolt clamping tapered sleeve and taper sleeve type wheel hub, making tapered sleeve swelling taper sleeve type wheel hub while packing tightly transmission main shaft, to reach the object of transmitting torque by tightening cinch bolt.
Further, also include positioning shaft sleeve, pressing plate, described positioning shaft sleeve is fastened on described transmission main shaft, and one end is pressed on described tapered sleeve; Described pressing plate is pressed in the other end of described positioning shaft sleeve; And be bolted on described transmission main shaft.Positioning shaft sleeve and pressing plate with the use of, bolt links together pressing plate and transmission main shaft, prevents draught fan impeller accidental in operation process.
Further, described taper sleeve type wheel hub and described draught fan impeller pass through rivet interlacement.By rivet fixed cone shell type wheel hub and draught fan impeller, make to be fixedly connected with more firm between the two.
Further, described cinch bolt is 2 or 3.
Further, also comprise flat key, described flat key is arranged between described transmission main shaft and described positioning shaft sleeve.Form between transmission main shaft and taper sleeve type wheel hub and be slidably connected, adopt dive key to connect.
To compare prior art, the beneficial effect that the utility model has: (1) utilizes cinch bolt that tapered sleeve contraposition is loaded taper sleeve type wheel hub, tapered sleeve swelling taper sleeve type wheel hub while packing tightly main shaft is made, to reach the object of transmitting torque by tightening cinch bolt; (2) by assembling positioning shaft sleeve, load onto anticreep cover plate at axle head, prevent impeller operationally unexpected slippage; (3) during dismounting, remove anticreep cover plate and positioning shaft sleeve, exit cinch bolt, bolt is screwed into demounting bolt hole, tighting a bolt ejects tapered sleeve, two conical surfaces is separated, easily can removes impeller.
Accompanying drawing explanation
Fig. 1 is the utility model cross-sectional view;
In figure, 11 draught fan impellers, 2-transmission main shaft, 3-taper sleeve type wheel hub, 4-tapered sleeve, 5-cinch bolt, 6-positioning shaft sleeve, 7-pressing plate, 8-bolt, 9-rivet, 10-flat key, 11-bearing, 12-bearing housing.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the utility model is further described.
A kind of centrifugal blower fan blade wheel novel mounting structure, comprise draught fan impeller 1, transmission main shaft 2, taper sleeve type wheel hub 3, described taper sleeve type wheel hub 3 one end snaps on draught fan impeller 1, described taper sleeve type wheel hub 3 is connected by rivet 9 with described draught fan impeller 1, and the other end is enclosed within transmission main shaft 2; Tapered sleeve 4 is arranged in described taper sleeve type wheel hub 3, and be enclosed within transmission main shaft 2, described tapered sleeve 4 is provided with 2 or 3 cinch bolts 5, positioning shaft sleeve 6 is fastened on described transmission main shaft 2, flat key 10 is arranged between described transmission main shaft 2 and described positioning shaft sleeve 6, and one end is pressed on described tapered sleeve 4; Described pressing plate 7 is pressed in the other end of described positioning shaft sleeve; And be fixed on described transmission main shaft 2 by bolt 8.
According to the rotation mode of draught fan impeller, select the kind of bolt.Draught fan impeller divides left and right revolving, and when draught fan impeller is left-handed, uses anti-tooth bolt stationary platen 7, when draught fan impeller dextrorotation, uses positive tooth bolt stationary platen 7.
The utility model adopts taper sleeve type connecting mode, during assembling, utilize cinch bolt 5 that tapered sleeve 4 contraposition is loaded taper sleeve type wheel hub 3, swelling tapered sleeve swelling taper sleeve type wheel hub 3 while packing tightly transmission main shaft 2 is made by tightening cinch bolt 5, to reach the object of transmitting torque, then load onto positioning shaft sleeve 6, load onto anticreep pressing plate 7 at axle head, prevent impeller operationally unexpected slippage; During dismounting, remove anticreep pressing plate 7 and positioning shaft sleeve 6, exit cinch bolt 5, bolt is screwed into demounting bolt hole, tighten bolt and tapered sleeve 4 is ejected, two conical surfaces are separated, easily can remove impeller.
Last it is noted that above embodiment only in order to illustrate the utility model and and technological scheme described by unrestricted the utility model; Therefore, although this specification has been described in detail the utility model with reference to each above-mentioned embodiment, those of ordinary skill in the art should be appreciated that and still can modify to the utility model or equivalent replacement; And all do not depart from technological scheme and the improvement thereof of spirit and scope of the present utility model, it all should be encompassed in right of the present utility model.
Claims (5)
1. a centrifugal blower fan blade wheel novel mounting structure, comprise draught fan impeller (1), transmission main shaft (2), it is characterized in that: also comprise taper sleeve type wheel hub (3), described taper sleeve type wheel hub (3) one end snaps on draught fan impeller (1), and the other end is enclosed within transmission main shaft (2); Tapered sleeve (4) is arranged in described taper sleeve type wheel hub (3), and is enclosed within transmission main shaft (2), and described tapered sleeve (4) is provided with cinch bolt (5).
2. centrifugal blower fan blade wheel novel mounting structure according to claim 1, it is characterized in that: also include positioning shaft sleeve (6), pressing plate (7), described positioning shaft sleeve (6) is fastened on described transmission main shaft (2), and one end is pressed on described tapered sleeve (4); Described pressing plate (7) is pressed in the other end of described positioning shaft sleeve; And be fixed on described transmission main shaft (2) by bolt (8).
3. centrifugal blower fan blade wheel novel mounting structure according to claim 1, is characterized in that: described taper sleeve type wheel hub (3) is connected by rivet (9) with described draught fan impeller (1).
4. centrifugal blower fan blade wheel novel mounting structure according to claim 1, is characterized in that: described cinch bolt (5) is 2 or 3.
5. centrifugal blower fan blade wheel novel mounting structure according to claim 2, it is characterized in that: also comprise flat key (10), described flat key (10) is arranged between described transmission main shaft (2) and described positioning shaft sleeve (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520308777.4U CN204878078U (en) | 2015-05-13 | 2015-05-13 | Novel mounting structure of centrifugal fan impeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520308777.4U CN204878078U (en) | 2015-05-13 | 2015-05-13 | Novel mounting structure of centrifugal fan impeller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204878078U true CN204878078U (en) | 2015-12-16 |
Family
ID=54822455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520308777.4U Expired - Fee Related CN204878078U (en) | 2015-05-13 | 2015-05-13 | Novel mounting structure of centrifugal fan impeller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204878078U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115788944A (en) * | 2023-01-16 | 2023-03-14 | 中国电建集团透平科技有限公司 | Large-scale wind-tunnel fan drive shafting structure |
-
2015
- 2015-05-13 CN CN201520308777.4U patent/CN204878078U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115788944A (en) * | 2023-01-16 | 2023-03-14 | 中国电建集团透平科技有限公司 | Large-scale wind-tunnel fan drive shafting structure |
| CN115788944B (en) * | 2023-01-16 | 2023-04-18 | 中国电建集团透平科技有限公司 | Large-scale wind-tunnel fan drive shafting structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20190604 Granted publication date: 20151216 |
|
| PP01 | Preservation of patent right | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20210604 Granted publication date: 20151216 |
|
| PD01 | Discharge of preservation of patent | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151216 Termination date: 20200513 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |